Here's a collection of some useful blog add-ons or extras that can be easily integrated with any website and may help in enhancing your visitors' experience. All these add-ons are completely free and you don't have to be a geek to use them on your site.

FeedBlitz Custom Domains - If someone considers subscribing to the email newsletter of this blog, he is taken to a page like feedblitz.com/f/f.fbz for confirming the mode of subscription - whether he wants to receive updates via email, twitter, Skype, Yahoo Messenger, etc.

When you type a non-existent web domain in your web browser (e.g. gmail.coms instead of gmail.com), you are redirected to an OpenDNS search page and not the default "Address Not Found" error in your browser. This fix will change the defaul OpenDNS setting.

Issuu web based PDF viewer renders slides as images instead of Adobe Flash - this is useful as it will enable people to view your PowerPoint decks on mobile phones or inside web browsers that do not have Flash plugin.

Google Pages is still a part of Google Labs but will this web page creator software will never get a chance to graduate as it is getting replaced by Google Sites which is more or less the same but with a wiki.

MyTextFile is an online text editor that also supports full screen mode for distraction free writing. You can log into MyTextFile with your existing Google Account as it is built using the Google App Engine.